Migrate deprecated summary tag #14654

Job	Run time
Build and check documentation	3m 14s
End-to-end tests, chromium	13m 21s
Run the Django test suite in reverse	5m 39s
End-to-end tests, firefox	16m 43s
Set up docker build 'dynamic' env variables	1s
End-to-end tests, webkit	11m 58s
Run the Django test suite	7m 57s
docker_build (production) / Build image	2m 41s
docker_build (extensions, token_exchange,prefill_haalcentraalhr, all-extensions-) / Build image	2m 41s
Simulate upgrading instances (2.7.4)	1m 17s
Scan docker image	2m 21s
Simulate upgrading instances (2.7.8)	1m 18s
Check for unexepected OAS changes	6s
Generate SDKs from OAS	36s
Validate OAS	13s
Generate Postman collection from OAS	8s
Push Docker image	0s
update-docker-readme	0s
	1h 10m 14s

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